/* 通用样式 */
.flex {
  display: flex;
}
.flex-col {
  flex-direction: column;
}
.flex-1 {
  flex:1;
}
.h-screen {
  height: 100vh;
}
.h-all {
  height: 100%;
}
.fixed-loading{
  position: fixed;
  top: 50px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
}
.mt2 {
  margin-top: 8px;
}
.mt3 {
  margin-top: 12px;
}
.ml4 {
  margin-left: 16px;
}